detect interactivity

[Antoine Pitrou]

Le Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries a écrit :

> Dear all,
> 
> Is it possible for a Python script to detect whether it is running
> interactively? It can be useful for e.g. defining functions that are
> only useful in interactive mode.

Try the isatty() method (*) on e.g. stdin:

$ python -c "import sys; print sys.stdin.isatty()"
True
$ echo "" | python -c "import sys; print sys.stdin.isatty()"
False


(*) http://docs.python.org/library/stdtypes.html#file.isatty